BENJAMIN DOUGLAS HEFNER

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Birmingham, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Blade shroud design for a leg prosthetic
- Patent number 9,668,886
- Issue date Jun 6, 2017
- Altair Engineering, Inc.
- Craig Mackiewicz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
SUIT DESIGN FOR A LEG PROSTHETIC
- Publication number 20160045339
- Publication date Feb 18, 2016
- Altair Engineering, Inc.
- CRAIG MACKIEWICZ
- A41 - WEARING APPAREL
Information Patent Application
BASE PLATE AND BLADE DESIGN FOR A LEG PROSTHETIC
- Publication number 20160045337
- Publication date Feb 18, 2016
- Altair Engineering, Inc.
- CRAIG MACKIEWICZ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BLADE SHROUD DESIGN FOR A LEG PROSTHETIC
- Publication number 20160045338
- Publication date Feb 18, 2016
- Altair Engineering, Inc.
- CRAIG MACKIEWICZ
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE